1 files changed, 53 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/rms_ff.h b/gr-blocks/include/blocks/rms_ff.h
new file mode 100644
index 000000000..19fb0016d
--- /dev/null
+++ b/gr-blocks/include/blocks/rms_ff.h
@@ -0,0 +1,53 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef INCLUDED_BLOCKS_RMS_FF_H
+#define INCLUDED_BLOCKS_RMS_FF_H
+
+#include <blocks/api.h>
+#include <gr_sync_block.h>
+
+namespace gr {
+  namespace blocks {
+
+    /*!
+     * \brief RMS average power
+     * \ingroup math_blk
+     */
+    class BLOCKS_API rms_ff : virtual public gr_sync_block
+    {
+    public:
+      // gr::blocks::rms_ff::sptr
+      typedef boost::shared_ptr<rms_ff> sptr;
+
+      /*!
+       * \brief Make an RMS calc. block.
+       * \param alpha gain for running average filter.
+       */
+      static sptr make(double alpha = 0.0001);
+
+      virtual void set_alpha(double alpha) = 0;
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_RMS_FF_H */